<h2 id="installation-error">Installation error</h2>
<p>I encountered <code>error: specify a sequence to run</code> while trying to install zenmap on Parrot OS (using alien version 8.95.3)
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1614854392989/KSSYxylPY.png" alt="01.png" /></p>
<h2 id="workaround">Workaround</h2>
<ol>
<li><p>Downgrade and install <a target="_blank" href="https://snapshot.debian.org/package/alien/8.90/">alien 8.90</a> instead.
<code>dpkg -i alien_8.90_all.deb</code>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1614854427929/uZPQFXC5C.png" alt="02.png" />
<code>alien zenmap-7.91-1.noarch.rpm</code>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1614854442253/-F852QJvb.png" alt="03.png" /></p>
</li>
<li><p>Install zenmap
<code>dpkg -i zenmap_7.91-2_all.deb</code>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1614854453365/qbaO5qP0T.png" alt="04.png" /></p>
</li>
<li><p>Open Zenmap
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1614854462984/BoXUsPQKW.png" alt="05.png" /></p>
</li>
</ol>


## Installation error

I encountered `error: specify a sequence to run` while trying to install zenmap on Parrot OS (using alien version 8.95.3)
![01.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1614854392989/KSSYxylPY.png)

## Workaround

1. Downgrade and install [alien 8.90](https://snapshot.debian.org/package/alien/8.90/) instead.
`dpkg -i alien_8.90_all.deb`
![02.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1614854427929/uZPQFXC5C.png)
`alien zenmap-7.91-1.noarch.rpm`
![03.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1614854442253/-F852QJvb.png)

2. Install zenmap
`dpkg -i zenmap_7.91-2_all.deb`
![04.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1614854453365/qbaO5qP0T.png)

3. Open Zenmap
![05.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1614854462984/BoXUsPQKW.png)


How to install Zenmap on Parrot OS

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How to install Zenmap on Parrot OS

Installation error

Workaround